3D camera systems, namely, adapters for allowing 3D shooting; 3D scanners; Amplifiers; Antennas; Camcorders; Microphones; Access control and alarm monitoring systems; Acoustic alarms; Acoustic amplifiers for mobile devices; Adapter plugs; Adapter rings for attaching objectives on cameras; Aeronautical radio communication machines and apparatus; Alarm installations and alarms; Analog cameras; Anti-theft locks specially adapted to personal electronic devices, namely, laptops, PC tablets; Appara...